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Allow "in place" tablespaces.

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Provide a developer-only GUC allow_in_place_tablespaces, disabled by
default.  When enabled, tablespaces can be created with an empty
LOCATION string, meaning that they should be created as a directory
directly beneath pg_tblspc.  This can be used for new testing scenarios,
in a follow-up patch.  Not intended for end-user usage, since it might
confuse backup tools that expect symlinks.

Reviewed-by: Andres Freund <andres@anarazel.de>
Reviewed-by: Michael Paquier <michael@paquier.xyz>
Discussion: https://postgr.es/m/CA%2BhUKGKpRWQ9SxdxxDmTBCJoR0YnFpMBe7kyzY8SUQk%2BHeskxg%40mail.gmail.com
This commit is contained in:
Thomas Munro
2022-01-14 21:27:44 +13:00
parent c4cc2850f4
commit 7170f2159f
4 changed files with 65 additions and 7 deletions
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2
src/include/commands/tablespace.h
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@@ -19,6 +19,8 @@
#include "lib/stringinfo.h"
#include "nodes/parsenodes.h"
extern bool allow_in_place_tablespaces;
/* XLOG stuff */
#define XLOG_TBLSPC_CREATE 0x00
#define XLOG_TBLSPC_DROP 0x10